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<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        body {
            background-color: #bbb;
        }

        #canvas {
            background-color: #fff;
        }
    </style>
</head>

<body>
    <canvas id="canvas" width="400" height="400"></canvas>
    <video controls autobuffer>
        <source src="" type="video/mp4" />
        <source src="" type="video/webm" />
        <source src="" type="video/ogg" />
        <p>this browser does not support the
            <code>video</code>
            element.
        </p>
    </video>
</body>
<script src="./utils.js"></script>
<script>
    window.onload = () => {
        var canvas = document.getElementById("canvas")
        var context = canvas.getContext('2d')

    }
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</html>